I think its 6 i'm not sure hope this might help
Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13
Exponential decay obeys the equation

where t = time, days
For half life, the mass is m = m₀/2.
Therefore

Answer: The half life is 5.33 days
All u need to do is give branliest then i will answer your question
Let's solve your equation step-by-step.<span><span><span><span>5x</span><span>(2)</span></span>−<span>4x</span></span>=6</span>Step 1: Simplify both sides of the equation.<span><span><span><span>5x</span><span>(2)</span></span>−<span>4x</span></span>=6</span><span>Simplify: (Show steps)</span><span><span><span><span>10x</span>+</span>−<span>4x</span></span>=6</span><span><span>(<span><span>10x</span>+<span>−<span>4x</span></span></span>)</span>=6</span>(Combine Like Terms)<span><span>6x</span>=6</span><span><span>6x</span>=6</span>Step 2: Divide both sides by 6.<span><span><span><span><span>6x</span>6</span></span></span>=<span><span><span>66</span></span></span></span><span>x=1</span>Answer:<span>x=<span>1</span></span>
Answer: The answer is 169.
Step-by-step explanation:
Hope this helps! Have a good day! :)